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Finding the Fourth Proportional to 73,749.54, 110,523.39 and 55,722.97

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Solution

The fourth proportional to 73,749.54, 110,523.39 and 55,722.97 is: 83,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.54 : 110,523.39 = 55,722.97 : x
  2. Step 2: Convert to fraction form
    73,749.54/110,523.39 = 55,722.97/x
  3. Step 3: Cross multiply
    73,749.54x = 110,523.39 × 55,722.97
  4. Step 4: Simplify right side
    73,749.54x = 6,158,691,545.27
  5. Step 5: Solve for x
    x = 6,158,691,545.27/73,749.54
  6. Step 6: Final answer
    x = 83,508.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.